A new report from the Parliamentary Budget Office suggests the proposed high-speed rail line connecting Toronto and Quebec City could be significantly more expensive than initially projected. The estimated cost now ranges between $75 billion and $113 billion, exceeding prior official estimates. This analysis raises concerns about the financial viability of the project, which aims to improve transportation links between Toronto and Quebec City. The report doesn't detail specific reasons for the increased cost projections but highlights potential challenges in large-scale infrastructure projects. Further scrutiny of the budget is anticipated as the project moves forward. The findings could prompt revisions to the project’s scope or funding models. The high-speed rail project remains a key infrastructure proposal for improving connectivity in Canada.